[PATCH 2/3] lib: fwts_klog: use FWTS_JSON_ERROR macro for error checking

[IvanHu]

On 10/15/2012 05:16 AM, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
>
> Use the new FWTS_JSON_ERROR macro to check for error
> conditions to cope with the API change on json-c.
>
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
> ---
>   src/lib/src/fwts_klog.c |   14 ++++++++------
>   1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/src/lib/src/fwts_klog.c b/src/lib/src/fwts_klog.c
> index 7787599..22f3b10 100644
> --- a/src/lib/src/fwts_klog.c
> +++ b/src/lib/src/fwts_klog.c
> @@ -277,8 +277,6 @@ static fwts_compare_mode fwts_klog_compare_mode_str_to_val(const char *str)
>   		return FWTS_COMPARE_UNKNOWN;
>   }
>
> -#define JSON_ERROR	((json_object*)-1)
> -
>   /*
>    *  fwts_json_str()
>    *	given a key, fetch the string value associated with this object
> @@ -288,7 +286,8 @@ static const char *fwts_json_str(fwts_framework *fw, const char *table, int inde
>   {
>   	const char *str;
>
> -	if ((str = json_object_get_string(json_object_object_get(obj, key))) == NULL) {
> +	str = json_object_get_string(json_object_object_get(obj, key));
> +	if (FWTS_JSON_ERROR(str)) {
>   		fwts_log_error(fw, "Cannot fetch %s val from item %d, table %s.", key, index, table);
>   		return NULL;
>   	}
> @@ -322,12 +321,14 @@ static int fwts_klog_check(fwts_framework *fw,
>   	}
>   	close(fd);
>
> -	if ((klog_objs = json_object_from_file(json_data_path)) == JSON_ERROR) {
> +	klog_objs = json_object_from_file(json_data_path);
> +	if (FWTS_JSON_ERROR(klog_objs)) {
>   		fwts_log_error(fw, "Cannot load klog data from %s.", json_data_path);
>   		return FWTS_ERROR;
>   	}
>
> -	if ((klog_table = json_object_object_get(klog_objs, table)) == JSON_ERROR) {
> +	klog_table = json_object_object_get(klog_objs, table);
> +	if (FWTS_JSON_ERROR(klog_table)) {
>   		fwts_log_error(fw, "Cannot fetch klog table object '%s' from %s.", table, json_data_path);
>   		goto fail_put;
>   	}
> @@ -347,7 +348,8 @@ static int fwts_klog_check(fwts_framework *fw,
>   		const char *str;
>   		json_object *obj;
>
> -		if ((obj = json_object_array_get_idx(klog_table, i)) == JSON_ERROR) {
> +		obj = json_object_array_get_idx(klog_table, i);
> +		if (FWTS_JSON_ERROR(obj)) {
>   			fwts_log_error(fw, "Cannot fetch %d item from table %s.", i, table);
>   			goto fail;
>   		}
>

Acked-by: Ivan Hu <ivan.hu at canonical.com>